The immune system is one of our most important lines of defense, fighting against various pathogens. In everyday life, many of us do not consider how well this system functions and what factors influence its effectiveness. Healthy eating, adequate rest, and stress management all contribute to the optimal functioning of our immune system. There are numerous alternative products and vitamins on the market that promise to strengthen the immune system. However, it is important to know that in many cases, the effectiveness of these products is not proven, and many advertised “miracle cures” actually have no correlation with the real strengthening of the immune system. The scientific literature and expert…